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| {{Formulas question type}}
| | #REDIRECT [[Formulas_question_type]] |
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| ==Why make a Formulas multiple choice question?==
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| In addition to the answer box placeholders, the '''Formulas''' question type provides for two other types of placeholder which are used for multiple choice questions:
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| * Dropdown menu placeholder
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| * Radio buttons placeholder
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| The Formulas multiple choice question allows you to use all the power of the '''Formulas''' calculation engine to build the list of choices.
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| ==Dropdown menu placeholder==
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| The syntax for this placeholder is <span style="font-family:monospace;font-size:113%;">{_n:choices:MCE}</span> where
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| <span style="font-family:monospace;font-size:113%;">_n</span> is the placeholder name (<span style="font-family:monospace;font-size:113%;">_0</span>, <span style="font-family:monospace;font-size:113%;">_1</span>, <span style="font-family:monospace;font-size:113%;">_2</span>, etc.) as for the answer box placeholders, <span style="font-family:monospace;font-size:113%;">choices</span> is a list of strings to appear as the menu choices and
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| <span style="font-family:monospace;font-size:113%;">MCE</span> must appear as is.
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| <div style="border:1px solid #bce8f1;border-radius:4px;padding: 0px 15px 0px; margin:20px 0 25px;">
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| <div style="font-family:Lucida Sans Unicode;font-size:150%;color:#f98012;margin:10px 0 10px;>Example</div>
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| Use a dropdown menu placeholder to make a multiple choice question.
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| <pre style="font-size:113%;width: 98%;">
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| General
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| Question name* A formulas question with a dropdown menu multiple choice question
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| Variables
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| Global variables cities=["Calgary","Halifax","Montréal","Ottawa","Toronto","Vancouver"];
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| Main question
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| Question text* Geography
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| {#1}
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| Part 1
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| Part's mark* 1
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| Answer type Number
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| Answer* 3
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| Grading criteria* Absolute error == 0
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| Placeholder name #1
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| Part's text What is the capital city of Canada?
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| {_0:cities:MCE}
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| </pre>
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| The Formulas question should look like this (the choices are highlighted by moving up and down in the menu):
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| [[File:CapitalCanada.png|695px]]
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| <div style="margin:20px 0 20px;">
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| <span style="background-color:#f98012;box-shadow: 0 5px 10px #cbcbcb;border: none;color:white;padding: 8px 16px;text-align:center;text-decoration: none;cursor:pointer;">[http://35.193.77.29/mod/quiz/view.php?id=116 <span style="color:white;">Play it </span>]</span> [[Formulas_question_type#Examples|Login info ↗]] ''(Open in new tab: Ctrl+Shift+Click)''
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| </div>
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| </div>
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| ==Radio buttons placeholder==
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| The syntax for this placeholder is <span style="font-family:monospace;font-size:113%;">{_n:choices}</span> where
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| <span style="font-family:monospace;font-size:113%;">_n</span> is the placeholder name (<span style="font-family:monospace;font-size:113%;">_0</span>, <span style="font-family:monospace;font-size:113%;">_1</span>, <span style="font-family:monospace;font-size:113%;">_2</span>, etc.) as for the answer box placeholders and <span style="font-family:monospace;font-size:113%;">choices</span> is a list of strings to appear as the menu choices. The list of buttons is only vertical.
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| <div style="border:1px solid #bce8f1;border-radius:4px;padding: 0px 15px 0px; margin:20px 0 25px;">
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| <div style="font-family:Lucida Sans Unicode;font-size:150%;color:#f98012;margin:10px 0 10px;>Example</div>
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| Use a radio buttons placeholder to make a multiple choice question.
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| <pre style="font-size:113%;width: 98%;">
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| General
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| Question name* A formulas question with a radio buttons multiple choice question
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| Variables
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| Global variables planets=["Earth","Jupiter","Mars","Mercury","Neptune","Saturn","Uranus","Venus"];
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| Main question
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| Question text* Astronomy
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| {#1}
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| Part 1
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| Part's mark* 1
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| Answer type Number
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| Answer* 3
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| Grading criteria* Absolute error == 0
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| Placeholder name #1
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| Part's text What is the closest planet to the sun?
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| {_0:planets}
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| </pre>
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| The formulas question should look like this (the student must click a choice from the list):
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| [[File:PlanetClosestSun.png|695px]]
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| <div style="margin:20px 0 20px;">
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| <span style="background-color:#f98012;box-shadow: 0 5px 10px #cbcbcb;border: none;color:white;padding: 8px 16px;text-align:center;text-decoration: none;cursor:pointer;">[http://35.193.77.29/mod/quiz/view.php?id=118 <span style="color:white;">Play it </span>]</span> [[Formulas_question_type#Examples|Login info ↗]] ''(Open in new tab: Ctrl+Shift+Click)''
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| </div>
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| </div>
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| ==Shuffled choices==
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| With '''Formulas''' multiple choice questions, the shuffling of choices is not a built-in option but it can be easily programmed.
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| <div style="border:1px solid #bce8f1;border-radius:4px;padding: 0px 15px 0px; margin:20px 0 25px;">
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| <div style="font-family:Lucida Sans Unicode;font-size:150%;color:#f98012;margin:10px 0 10px;>Example</div>
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| Make a '''Formulas''' multiple choice question with shuffled choices.
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| Programming comments are given in the xml file available on the '''Play it''' site.
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| <pre style="font-size:113%;width: 98%;">
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| General
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| Question name* ShuffledMultipleChoice
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| Variables
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| Random variables c=shuffle([0,1,2,3,4,5]);
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| Global variables mc=[" Red"," Orange"," Yellow"," Green"," Blue"," Violet"];
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| a=3; # The third answer (counting from 0), i.e. Green, is the correct answer.
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| c=c;
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| t=c;
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| for (i:[0:6]) {
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| t[i]=a==c[i]?i:0;
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| }
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| tt=0;
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| for (i:[0:6]) {
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| tt=tt+t[i];
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| }
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| colors=[mc[c[0]],mc[c[1]],mc[c[2]],mc[c[3]],mc[c[4]],mc[c[5]]];
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| Main question
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| Question text* Physics
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| {#1}
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| Part 1
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| Part's mark* 1
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| Answer type Number
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| Answer* tt
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| Grading criteria* Absolute error == 0
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| Placeholder name #1
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| Part's text What pure spectral color has an approximate wavelength of 530 nm (measured in air or vacuum)?
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| {_0:colors}
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| </pre>
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| The formulas question should look as shown below. The choices are shuffled hence in a different order for each student (there are 6! = 720 permutations):
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| [[File:ShuffledMultipleChoice.png|695px]]
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| <div style="margin:20px 0 20px;">
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| <span style="background-color:#f98012;box-shadow: 0 5px 10px #cbcbcb;border: none;color:white;padding: 8px 16px;text-align:center;text-decoration: none;cursor:pointer;">[http://35.193.77.29/mod/quiz/view.php?id=122 <span style="color:white;">Play it </span>]</span> [[Formulas_question_type#Examples|Login info ↗]] ''(Open in new tab: Ctrl+Shift+Click)''
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| </div>
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| </div>
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| <div style="background-color:#d3ffd3;
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| border:1px solid #abdaac;
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| border-radius:4px;
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| color:#4f691a;
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| padding:5px 15px 5px;
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| margin: 15px 0 0;
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| ">
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| When shuffled choices are required, it is probably easier to use Moodle's core '''Multiple choice''' question. The point here is that with the '''Formulas''' question, multiple choice questions can be programmed.
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| </div>
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| [[#top|Back to top of page]]
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| [[Formulas_question_type|← FORMULAS QUESTION TYPE]]
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| ===In other languages===
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| [https://docs.moodle.org/all/es/F%C3%B3rmulas:_Opci%C3%B3n_m%C3%BAltiple Español]<br>
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| [https://docs.moodle.org/3x/fr/Formules:_Choix_multiples Français]
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